2[1]Adam R,Akpinar E,Johann M,et al.Place of cryosurgery in the treatment of maligrnent liver tumors.Ann Surg,1997,225:39-50.
3[2]Rewcastle JC,Sandison GA,Saliken JC,et al.Considerations during clinical operation of two commercially available cryomachines.J Surg Oncol,1999,71:106-111.
4[3]Senming W, Jiren Z,Qiuping P,et al.The treatment of irresectable liver tumors by percutaneous trargeted Ar-He cryoablation.International Journal of mordern cancer therapy,2000,3:16-18.
